Home / 6,789.90-9,370.23-3,805.44

Finding the Fourth Proportional to 6,789.90, 9,370.23 and 3,805.44

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Solution

The fourth proportional to 6,789.90, 9,370.23 and 3,805.44 is: 5,251.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,789.90 : 9,370.23 = 3,805.44 : x
  2. Step 2: Convert to fraction form
    6,789.90/9,370.23 = 3,805.44/x
  3. Step 3: Cross multiply
    6,789.90x = 9,370.23 × 3,805.44
  4. Step 4: Simplify right side
    6,789.90x = 35,657,848.05
  5. Step 5: Solve for x
    x = 35,657,848.05/6,789.90
  6. Step 6: Final answer
    x = 5,251.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.